Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Schedule of Revenue Disaggregated by Type

	Three Months Ended June 30				Six Months Ended June 30,
	2021		2020		2021		2020
Systems	$	2,686,180	$	12,769	$	5,288,692	$	12,769
Disposables, service and accessories		6,118,712		5,086,156		11,892,228		10,595,867
Sublease		246,530		246,530		493,060		493,060
Total revenue	$	9,051,422	$	5,345,455	$	17,673,980	$	11,101,696

Summary of Contract Assets and Liabilities

The following information summarizes the Company’s contract assets and liabilities:

	June 30, 2021			December 31, 2020
Contract Assets - unbilled receivables	$	180,751		$	284,415
Customer deposits	$	2,132,598		$	-
Product shipped, revenue deferred		2,173,300			645,200
Deferred service and license fees		5,627,494			5,186,485
Total deferred revenue	$	9,933,392		$	5,831,685
Less: Long-term deferred revenue		(1,648,792	)		(548,915	)
Total current deferred revenue	$	8,284,600		$	5,282,770

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted EPS:

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
Net loss	$	(1,210,398	)	$	(1,921,106	)	$	(2,742,795	)	$	(3,892,637	)
Cumulative dividend on Series A Convertible Preferred Stock		(335,197	)		(342,126	)		(667,748	)		(685,849	)
Net loss attributable to common stockholders	$	(1,545,595	)	$	(2,263,232	)	$	(3,410,543	)	$	(4,578,486	)
Weighted average number of common shares and equivalents:		75,547,574			71,628,762			75,362,521			70,749,401
Basic EPS	$	(0.02	)	$	(0.03	)	$	(0.05	)	$	(0.06	)
Diluted EPS	$	(0.02	)	$	(0.03	)	$	(0.05	)	$	(0.06	)